... Network RJ45/11 protection 1kva uninterruptible power supply Key features:H series on-line UPS is an advanced ... off after ten seconds to conserve battery power when no power needs are detected. h).Battery level indicatorsLED ... indicatorsStatusLoad level/battery level, battery , utility power, inverter, bypass, overload, faultAudible alarmBypass, on battery mode, battery low, overload, faultAcoustic ...